highaltitude.log.20080810

[00:01] <Laurenceb> jcoxon: launching soon?
[00:01] <RocketBoy> those chips seem a bit OTT
[00:01] <Laurenceb> nothing wrong with OTT :D
[00:01] <RocketBoy> 1.5m ohm
[00:01] <Laurenceb> but yes, I could just use a resistor
[00:02] <RocketBoy> yeah try a 0.1 ohm resistor
[00:02] <Laurenceb> but I dont have any 1.5/0.1 ohm, so buying some current sensors would cover the postage
[00:04] <Laurenceb> wow jcoxon theres loads going on on your site
[00:05] <jcoxon> hey Laurenceb
[00:05] <jcoxon> plan to launch in 2 weeks
[00:05] <Laurenceb> the SSTV and ground software is sweet
[00:06] <jcoxon> yeah its coming along
[00:06] Action: Laurenceb wishes he had some free time
[00:06] Action: jcoxon gets his exam results on monday and therefore might have lots of free time
[00:07] <jcoxon> or might be back in london revising :-(
[00:07] <Laurenceb> good luck
[00:07] <Laurenceb> but I dont quite follow
[00:07] <Laurenceb> you'll resit if its not good enough?
[00:07] <jcoxon> oh if i fail i have to resit
[00:07] <Laurenceb> got you
[00:07] <jcoxon> which will be a week on mon
[00:08] <Laurenceb> I'm sure you wont fail
[00:08] <jcoxon> lets hope so :-p
[00:08] <Laurenceb> good luck for monday then
[00:10] <jcoxon> thanks
[00:13] <RocketBoy> night all
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[00:22] <Laurenceb> cya folks
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[07:18] <robert1971> Morning all
[07:18] <robert1971> Anyone awake out there?
[07:31] <icez> well i am
[07:31] <robert1971> Hi icez I guess you're not in the UK
[07:32] <icez> US, from canada originally
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[10:47] <edmoore> morning all
[10:47] <Shanuson> morning ed
[10:47] <edmoore> all well?
[10:48] <Shanuson> yes
[10:49] <Shanuson> have to do some work today, because i was lasy yesterday and freiday
[10:55] <edmoore> work on a sundat!?
[10:55] <edmoore> madness
[10:56] <Shanuson> well need to be finished
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[11:18] <edmoore> Shanuson: what are you working on?
[11:21] <Shanuson> nothing to do with space :(
[11:21] Action: gordonjcp is listening to satellites
[11:22] <Shanuson> some planing work, creating powercircuit lists of some building
[11:25] <gordonjcp> anyone reasonably well-versed in the way of AFSK from cubesats?
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[12:06] <edmoore> hi RocketBoy
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[12:15] <RocketBoy> hi ed - just changing pcs
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[12:16] <G8KHW> \nick RocketBoy
[12:16] Nick change: G8KHW -> RocketBoy
[12:16] <RocketBoy> thats better
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[12:29] <jcoxon> hey all
[12:35] <jcoxon> haha
[12:35] <jcoxon> just ran a trajectory forecast - landing 60km out to sea
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[12:40] <jcoxon> bbiab
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[14:02] <gordonjcp> lots of uppy-downy connections
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[15:00] <jcoxon> afternoon all
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[15:09] <jcoxon> gordonjcp, were you tracking amsats?
[15:25] <SpeedEvil> edm: you said you were doing stuff with servo+AVR
[15:25] <SpeedEvil> http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&p=4
[15:25] <SpeedEvil> 29171#429171
[15:25] <SpeedEvil> Oh - he's gone again.
[15:38] <jcoxon> :-)
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[15:46] <jcoxon> hey edmoore
[15:47] <edmoore> yo
[15:47] <edmoore> just off to make some lunch/dinner
[15:47] <edmoore> bbiab
[15:52] <SpeedEvil> edmoore: http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&p=429171#429171 - jitter that I was talking about last night.
[15:52] <SpeedEvil> edmoore: that's 1% long-term and short term jitter for the internal clocks.
[16:18] <edmoore> SpeedEvil: interesting - quite a lot
[16:18] <edmoore> I have never used the internal though, I always use crystals, so I guess I'll just carry on
[16:18] <edmoore> jcoxon: back
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[16:51] <gordonjcp> jcoxon: yes
[16:52] <gordonjcp> jcoxon: no success decoding them yet though
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[17:56] <fnoble> hello
[17:58] <gordonjcp> fnoble: hello
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[18:58] <natrium42> phatmonk?
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[19:15] <gordonjcp> natrium42: evening
[19:27] <jcoxon> hey all
[19:29] <gordonjcp> jcoxon: hello
[19:29] <jcoxon> hey gordonjcp
[19:34] Action: jcoxon has found a better webcam
[19:42] <natrium42> hi
[19:42] <jcoxon> hey natrium42
[19:42] <jcoxon> good luck for tomorrow!
[19:42] <natrium42> jcoxon, nice, any sample pics?
[19:42] <jcoxon> just running it now
[19:42] <natrium42> thanks
[19:42] <jcoxon> so lets see :-)
[19:42] <natrium42> studying now
[19:43] <natrium42> k
[19:43] <jcoxon> studying + irc hmmmmm :-)
[19:43] <natrium42> yeah, bad combo
[19:43] <natrium42> irc is the devil
[19:43] <jcoxon> oh it is
[19:44] <natrium42> i actually have to finish a project for this class too
[19:44] <jcoxon> hmmm i just plugged this webcam in
[19:44] <jcoxon> might not actually be working haha
[19:45] <natrium42> doh
[19:45] <natrium42> i don't know about using a filter...
[19:45] <natrium42> it seems that the aperture/chip size are small enough
[19:45] <natrium42> to not let too much light in
[19:46] <natrium42> if you can figure out how to fix the exposure....
[19:46] <jcoxon> with this webcam i was able to vary the variables to get an outdoor pic
[19:46] <jcoxon> (using my mac)
[19:46] <natrium42> right
[19:46] <natrium42> now you have time to integrate a canon camera, though! :P
[19:46] <natrium42> and use remote capture via usb
[19:47] <jcoxon> yeah, i might be worth just cutting my losses and going straight to the better option
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[19:52] <jcoxon> natrium42, you've used CHDK?
[19:52] <natrium42> no, but i briefly tried it
[19:53] <jcoxon> hmmmm is it possible for the camera to switch to usb mode
[19:54] <natrium42> chdk doesn't really help with capturing images over usb
[19:54] <natrium42> i would use cameras on that list --> http://capture.sourceforge.net
[19:54] <natrium42> i tested quite a few of them (for contract work)
[19:54] <jcoxon> how about auto take a picture, then switch to usb memory mode and i download it?
[19:54] <natrium42> the least buggy was A640 and SX100
[19:55] <natrium42> yeah, that should be possible
[19:55] <natrium42> if you wire up to the buttons to go to usb mode
[19:56] <natrium42> the advantage is that you can also shoot & transfer videos that way
[19:57] <jcoxon> what i was thinking was that the camera would have its own batteries therefore not drain the flight computer over usb
[19:58] <SpeedEvil> Many USB devices will not actually talk unless you supply them with 5V
[19:58] <SpeedEvil> As the lowlevel USB bits take that as a signal to wake up and start signalling.
[19:58] <SpeedEvil> Of course, host mode USB on small computers is rare.
[19:59] <jcoxon> the joy of a gumstix verdex
[19:59] <SpeedEvil> Or the hammer
[19:59] <SpeedEvil> (tincantools.com)
[19:59] <jcoxon> any pxa270x
[19:59] <jcoxon> :-p
[19:59] <SpeedEvil> How much is a verdex?
[20:00] <jcoxon> 129 dollars
[20:00] <jcoxon> but you'd also need a daughterboard
[20:00] <SpeedEvil> Ah.
[20:00] <SpeedEvil> I like the hammer - it's $170 and that gives you USB and plenty of IO.
[20:00] <jcoxon> i'm a gumstix person
[20:01] <natrium42> jcoxon, what's nice about remote capture is that you can adjust all kinds of parameters
[20:01] <SpeedEvil> Oh - $150
[20:01] <natrium42> like zoom, iso, exposure etc
[20:01] <natrium42> err, white balance
[20:01] <jcoxon> okay
[20:01] <jcoxon> so with that basically i treat it like a webcam
[20:01] <SpeedEvil> Not typically.
[20:02] <SpeedEvil> Remote picture taking mode isn't your average webcam.
[20:02] <SpeedEvil> You don't typically get (say) 3fps 3MP images.
[20:02] <jcoxon> thats not what i mean
[20:02] <SpeedEvil> You say 'take picture' and then 'download picture'
[20:02] <SpeedEvil> K
[20:02] <jcoxon> but everything is controlled over the usb cable
[20:02] <SpeedEvil> yes
[20:03] <jcoxon> rather hten my other plan which was to use chdk to take pictures then switch to usb mode
[20:03] <jcoxon> and download the pictures
[20:03] <natrium42> jcoxon, yah, exactly
[20:03] <natrium42> it's not entirely like a webcam, since it doesn't shoot video that way
[20:03] <natrium42> you have to send a command to shoot a picture
[20:04] <natrium42> (video is *kinda* possible, but not easily)
[20:04] <jcoxon> i only want pics
[20:04] <jcoxon> so i can send a command to download the pic?
[20:04] <natrium42> you say 'capture pic.jpg'
[20:04] <natrium42> and it will shoot a picture and transfer it to pic.jpg
[20:05] <natrium42> it's very easy
[20:06] <jcoxon> and then once i've got the pic i can run it through the processing code etc i've got
[20:06] <SpeedEvil> yes.
[20:06] <natrium42> sure, you can also save a high res version onto flash
[20:06] <jcoxon> will the picture go onto the cameras sd card
[20:06] <natrium42> no
[20:06] <jcoxon> okay
[20:07] <jcoxon> right
[20:07] <jcoxon> i need the cheapest suitable camera
[20:09] <natrium42> any on that list will work
[20:09] <natrium42> but there are a few more that are not on the list
[20:09] Action: jcoxon trauls ebay
[20:09] <natrium42> like the SX100
[20:09] <SpeedEvil> jcoxon: also consider ones with broken screens.
[20:09] <natrium42> verdex doesn't have USB 2.0, so you can go older models
[20:09] <SpeedEvil> (cameras)
[20:10] <jcoxon> SpeedEvil, yeah, that said there is always the risk of more damage
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[20:12] <jcoxon> this should also solve the light intensity problems
[20:12] <edmoore> hi fergusnoble
[20:14] <fergusnoble> hi edmoore
[20:15] <edmoore> "this is like smearing honey into keira knightley"
[20:15] <edmoore> I think someone should make an online jeremy clarkson car describer slogan generator
[20:18] <jcoxon> hehe
[20:20] <jcoxon> wow, canon cameras take alot of batteries
[20:22] <edmoore> oh?
[20:22] <jcoxon> 4 AAs
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[20:28] <natrium42> newer ones take 2
[20:28] <jcoxon> okay
[20:29] <jcoxon> its funny, i'm trying to decide if its worth getting a good camera
[20:29] <jcoxon> as its going to be scaled down to 320x256
[20:29] <natrium42> hehe, indeed
[20:29] <jcoxon> really i want the lightest camera
[20:30] <jcoxon> which is quite a complicated variable to compare with on ebay
[20:31] <jcoxon> i'm watching:
[20:31] <jcoxon> http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=160270002418&ssPageName=STRK:MEWA:IT&ih=006
[20:32] <jcoxon> http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=230278119503&ssPageName=STRK:MEWA:IT&ih=013
[20:32] <jcoxon> http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=320282913470&ssPageName=STRK:MEWA:IT&ih=011
[20:32] <jcoxon> i'm thinking the last link might be the best one
[20:34] <natrium42> that's the one rob is using, i think
[20:34] <jcoxon> yeah
[20:34] <jcoxon> it looks the smallest
[20:34] <natrium42> have you seen his newest video?
[20:34] <natrium42> payload is looking good
[20:35] <natrium42> http://www.robertharrison.org/index.php?option=com_content&task=view&id=26&Itemid=78
[20:35] <jcoxon> thanks
[20:37] <jcoxon> its going to be really cool
[20:39] <jcoxon> his guide is excellent
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[20:44] <akawaka> http://www.networkworld.com/news/2008/081008-covert-operation-floats-network-sniffing.html?hpg1=bn
[21:03] <jcoxon> bbiab
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[22:37] <edmoore_> ha, shaft is on
[22:37] <edmoore_> what a theme tune
[22:37] Nick change: edmoore_ -> edmoore
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[23:10] <edmoore> "I was asking a legitimate-ass question"
[23:11] <edmoore> this is such a film
[23:14] <SpeedEvil> Reportedly Isaac Hayes has died.
[23:15] <fergusnoble> edmoore: i have the soundtrack iuw
[23:16] <edmoore> I have it too
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[23:29] jcoxon (n=jcoxon@85-210-73-114.dsl.pipex.com) left irc: "Leaving"
[23:38] <gordonjcp> SpeedEvil: yeah
[23:45] <gordonjcp> SpeedEvil: I put a new battery in my wahwah pedal in his honour
[00:00] --- Mon Aug 11 2008